#63CDEE#63CDEE

#63CDEE is a light, moderate cyan. Relative luminance 0.525; OKLCH L 79.8% C 0.108 H 221.1°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#63CDEE
RGB	rgb(99, 205, 238)
HSL	hsl(194, 80%, 66%)
HSV	hsv(194, 58%, 93%)
CMYK	cmyk(58.4%, 13.9%, 0%, 6.7%)
CIE-LAB	lab(77.57, -21.26, -25.51)
CIE-LCH	lch(77.57, 33.21, 230.19°)
OKLab	oklab(79.81% -0.0813 -0.0709)
OKLCH	oklch(79.81% 0.108 221.1)
XYZ	xyz(42.4034, 52.4842, 88.7681)
Luminance	0.5249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CDEE #EE8463

analogous

#63EECA #63CDEE #6387EE

triadic

#63CDEE #EE63CD #CDEE63

tetradic

#63CDEE #CA63EE #EE8463 #87EE63

square

#63CDEE #CA63EE #EE8463 #87EE63

split-complementary

#63CDEE #EE6387 #EECA63

monochromatic

#1599C2 #2CBBE8 #63CDEE #9ADFF4 #D1F0FA

Accessibility & contrast

On white

1.83

#63CDEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#63CDEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDEE

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CDEE	#FFFFFF	#000000	##000000
##63CDEE	1.00	1.83	11.50	11.50
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.50	21.00	1.00	1.00
##000000	11.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C8F0

Deuteranopia (green-blind)

#A5B9EE

Tritanopia (blue-blind)

#00D8D7

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63cdee;
/* rgb */ color: rgb(99, 205, 238);
/* oklch */ color: oklch(79.8% 0.108 221.1);

Tailwind

colors: {
  custom: {
    50: '#9bdcf3',
    500: '#63cdee',
    950: '#000000',
  },
}

SCSS

$custom: #63cdee;
$custom-light: #9bdcf3;
$custom-dark: #000000;

JSON

{
  "hex": "#63cdee",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 238
  },
  "hsl": {
    "h": 194.245,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.7981,
    "c": 0.10788,
    "h": 221.1
  },
  "luminance": 0.52488
}

Semantic roles & 50–950 ramp

primary

#63CDEE

secondary

#C05636

accent

#3B09DD

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CDEE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →